[Octave-bug-tracker] [bug #58661] tril does not work on empty matrices

[Johannes Pfeifer]

URL:
  <https://savannah.gnu.org/bugs/?58661>

                 Summary: tril does not work on empty matrices
                 Project: GNU Octave
            Submitted by: jpfeifer
            Submitted on: Sat 27 Jun 2020 05:59:45 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: 5.2.0
         Discussion Lock: Any
        Operating System: Microsoft Windows

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Details:

Running

tril([],-1)


on Octave returns an error

error: tril: requested diagonal out of range

while it returns an empty matrix on Matlab. As far as I can see, this is also
the root of the bug https://savannah.gnu.org/bugs/?55779





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